AD9548 datasheet(88/111 Pages) AD

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AD9548

Data Sheet

Table 99. Priorities—Profile 2

Address

Bits

Bit Name

Description

0x0680

[7]

Phase lock

scale

Controls the phase lock threshold unit scaling.

0 = picoseconds.

1 = nanoseconds.

[6]

Unused

[5:3]

Promoted

priority

User assigned priority level (0 to 7) of the reference associated with Profile 2 while that reference is the

active reference. The numeric value of the promoted priority must be less than or equal to the numeric

value of the selection priority.

[2:0]

Selection

priority

User assigned priority level (0 to 7) of the reference associated with Profile 2, which ranks that reference

relative to the others.

Table 100. Reference Period—Profile 2

Address

Bits

Bit Name

Description

0x0681

[7:0]

Reference period (in femtoseconds)

Nominal reference period, Bits[7:0]

0x0682

[7:0]

Nominal reference period, Bits[15:8]

0x0683

[7:0]

Nominal reference period, Bits[23:16]

0x0684

[7:0]

Nominal reference period, Bits[31:24]

0x0685

[7:0]

Nominal reference period, Bits[39:32]

0x0686

[7:0]

Nominal reference period, Bits[47:40]

0x0687

[7:2]

Unused

[1:0]

Reference period

Nominal reference period, Bits[49:48]

Table 101. Tolerance—Profile 2

Address

Bits

Bit Name

Description

0x0688

[7:0]

Inner tolerance

Inner tolerance, Bits[7:0]

0x0689

[7:0]

Inner tolerance, Bits[15:8]

0x068A

[7:4]

Unused

[3:0]

Inner tolerance

Inner tolerance, Bits[19:16]

0x068B

[7:0]

Outer tolerance

Outer tolerance, Bits[7:0]

0x068C

[7:0]

Outer tolerance, Bits[15:8]

0x068D

[7:4]

Unused

[3:0]

Outer tolerance

Outer tolerance, Bits[19:16]

Table 102. Validation Timer—Profile 2

Address

Bits

Bit Name

Description

0x068E

[7:0]

Validation timer (in milliseconds)

Validation timer, Bits[7:0]

0x068F

[7:0]

Validation timer, Bits[15:8]

Table 103. Redetect Timer—Profile 2

Address

Bits

Bit Name

Description

0x0690

[7:0]

Redetect timer (in milliseconds)

Redetect timer, Bits[7:0]

0x0691

[7:0]

Redetect timer, Bits[15:8]

Rev. G | Page 88 of 111

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